Native: add source code generator for kotlin-native/Interop/Runtime

Task ``:generators:generateNativeInteropRuntime` runs the generator.

generators/nativeInteropRuntime/NativeInteropRuntimeGenerator.kt

@@ -0,0 +1,9 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.generators.native.interopRuntime
+
+fun main() {
+}